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author | n4hy | 2008-07-04 02:45:05 +0000 |
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committer | n4hy | 2008-07-04 02:45:05 +0000 |
commit | d1c82f20a2180782a666074c434812dbea3b8ca8 (patch) | |
tree | 4bd9e41594dd2f87bd9c874c49421d970ac57718 /gr-msdd6000/src/msdd_source_s.cc | |
parent | a5c340d582265522d2fd7f42b9b02a672a2187c9 (diff) | |
download | gnuradio-d1c82f20a2180782a666074c434812dbea3b8ca8.tar.gz gnuradio-d1c82f20a2180782a666074c434812dbea3b8ca8.tar.bz2 gnuradio-d1c82f20a2180782a666074c434812dbea3b8ca8.zip |
msdd6000 source upgraded and enabled
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@8782 221aa14e-8319-0410-a670-987f0aec2ac5
Diffstat (limited to 'gr-msdd6000/src/msdd_source_s.cc')
-rw-r--r-- | gr-msdd6000/src/msdd_source_s.cc | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/gr-msdd6000/src/msdd_source_s.cc b/gr-msdd6000/src/msdd_source_s.cc new file mode 100644 index 000000000..9395647d2 --- /dev/null +++ b/gr-msdd6000/src/msdd_source_s.cc @@ -0,0 +1,130 @@ +/* -*- c++ -*- */ +/* + * Copyright 2004,2006 Free Software Foundation, Inc. + * + * This file is part of GNU Radio + * + * GNU Radio is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3, or (at your option) + * any later version. + * + * GNU Radio is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GNU Radio; see the file COPYING. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, + * Boston, MA 02110-1301, USA. + */ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#define MSDD_DEBUG2_TRUE + +#ifdef MSDD_DEBUG2_TRUE +#include <iostream> +#define MSDD_DEBUG2(x) std::cout << x << std::endl; +#else +#define MSDD_DEBUG2(x) +#endif + +#include <msdd_source_s.h> +#include <gr_io_signature.h> + +namespace { + static const int NBASIC_SAMPLES_PER_ITEM = 1; +} + +msdd_source_s_sptr +msdd_make_source_s (int which_board, + unsigned int decim_rate, + unsigned int fft_points, + double initial_rx_freq, + int opp_mode, + const char *src, + unsigned short port_src + ) throw (std::runtime_error) +{ + return msdd_source_s_sptr (new msdd_source_s (which_board, + decim_rate, + fft_points, + initial_rx_freq, + opp_mode, + src, + port_src + )); +} + + +msdd_source_s::msdd_source_s (int which_board, + unsigned int decim_rate, + unsigned int fft_points, + double initial_rx_freq, + int opp_mode, + const char *src, + unsigned short port_src + ) throw (std::runtime_error) + : msdd_source_base ("msdd_source_s", + gr_make_io_signature (1, 1, sizeof (int)), + which_board, opp_mode, src, port_src + ) +{ + + switch (sizeof_basic_sample()) { + case 1: + d_buffer_copy_behavior.reset( + new msdd::BufferCopyBehaviorGeneric<short, unsigned char>()); + break; + case 2: + d_buffer_copy_behavior.reset( + new msdd::BufferCopyBehaviorGeneric<short, float>()); + break; + case 4: + d_buffer_copy_behavior.reset( + new msdd::BufferCopyBehaviorGeneric<short, int>()); + break; + default: + assert(false); + } + +} + +msdd_source_s::~msdd_source_s () +{ +} + +int +msdd_source_s::ninput_bytes_reqd_for_noutput_items (int noutput_items) +{ + return noutput_items * NBASIC_SAMPLES_PER_ITEM * sizeof_basic_sample(); +} + +void +msdd_source_s::copy_from_msdd_buffer (gr_vector_void_star &output_items, + int output_index, + int output_items_available, + int &output_items_produced, + const void *msdd_buffer, + int buffer_length, + int &bytes_read) +{ + MSDD_DEBUG2("copy_from_msdd_buffer: output_index: " << output_index << " output_items_available: " << output_items_available << " buflen: " << buffer_length) + + unsigned nmsdd_bytes_per_item + (msdd_source_s::ninput_bytes_reqd_for_noutput_items(1)); + + unsigned int nitems = std::min (output_items_available, + (int)(buffer_length / nmsdd_bytes_per_item)); + + MSDD_DEBUG2("copy_from_msdd_buffer: nmsdd_bytes_per_item: " << nmsdd_bytes_per_item << " nitems: " << nitems) + + (*d_buffer_copy_behavior.get())(output_items, msdd_buffer, output_index, nitems); + + output_items_produced = nitems; + bytes_read = nitems * nmsdd_bytes_per_item; +} |